The tropopause region in a changing atmosphere (TPChange) (ACP/AMT/GMD/WCD inter-journal SI)(ACP/AMT/GMD/WCD inter-journal SI)
The tropopause region in a changing atmosphere (TPChange) (ACP/AMT/GMD/WCD inter-journal SI)(ACP/AMT/GMD/WCD inter-journal SI)
Editor(s): GMD topic editors | Coordinators: Peter Hoor (Johannes Gutenberg University Mainz, Germany) and Aurélien Podglajen (Laboratoire de Météorologie Dynamique, France) Special issue jointly organized between Atmospheric Chemistry and Physics, Atmospheric Measurement Techniques, Geoscientific Model Development, and Weather and Climate Dynamics

This special issue includes the publications which are published under the remit of the collaborative research centre The tropopause region in a changing atmosphere (TPChange) that started in 2021. The consortium under the umbrella of this project constitutes experts from gas-phase and aerosol chemistry relevant to the transport and composition of the tropopause region. It covers new measurements and developments as well as process-oriented and global modelling of processes that concern this climate-relevant region. The purpose of TPChange is to develop deeper understanding of the role of tropopause processes (often sub-grid to global modelling) in the light of climate change.

Review process: This inter-journal special issue co-lists papers of different journals. Thereby, each paper was submitted to 1 particular journal and underwent the regular interactive peer-review process of that journal. Depending on the journal, the peer review was handled by regular members of the editorial board and/or by guest editors designated by the journal’s chief/executive editors.

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26 Jun 2025
Stratospheric Hydration and Ice Microphysics of a Convective Overshoot Observed during the TPEx Campaign over Sweden
Patrick Konjari, Christian Rolf, Martina Krämer, Armin Afchine, Nicole Spelten, Irene Bartolome Garcia, Annette Miltenberger, Nicolar Emig, Philipp Joppe, Johannes Schneider, Yun Li, Andreas Petzold, Heiko Bozem, and Peter Hoor
EGUsphere, https://doi.org/10.5194/egusphere-2025-2847,https://doi.org/10.5194/egusphere-2025-2847, 2025
Preprint under review for ACP (discussion: open, 0 comments)
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10 Jun 2025
The Frosty Frontier: Redefining the Tropopause as a transport barrier using the Relative Humidity over Ice
Philipp Reutter and Peter Spichtinger
EGUsphere, https://doi.org/10.5194/egusphere-2025-2474,https://doi.org/10.5194/egusphere-2025-2474, 2025
Preprint under review for ACP (discussion: open, 0 comments)
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06 Jun 2025
Microphysical Parameter Choices Modulate Ice Content and Relative Humidity in the Outflow of a Warm Conveyor Belt
Cornelis Schwenk, Annette Miltenberger, and Annika Oertel
EGUsphere, https://doi.org/10.5194/egusphere-2025-1816,https://doi.org/10.5194/egusphere-2025-1816, 2025
Preprint under review for ACP (discussion: open, 2 comments)
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24 Apr 2025
The extratropical tropopause – Trace gas perspective on tropopause definition choice
Sophie Bauchinger, Andreas Engel, Markus Jesswein, Timo Keber, Harald Bönisch, Florian Obersteiner, Andreas Zahn, Nicolas Emig, Peter Hoor, Hans-Christoph Lachnitt, Franziska Weyland, Linda Ort, and Tanja J. Schuck
EGUsphere, https://doi.org/10.5194/egusphere-2025-1589,https://doi.org/10.5194/egusphere-2025-1589, 2025
Preprint under review for ACP (discussion: final response, 2 comments)
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28 Feb 2025
Contribution of gravity waves to shear in the extratropical lowermost stratosphere: insights from idealized baroclinic life cycle experiments
Madhuri Umbarkar and Daniel Kunkel
EGUsphere, https://doi.org/10.5194/egusphere-2025-351,https://doi.org/10.5194/egusphere-2025-351, 2025
Revised manuscript accepted for ACP (discussion: final response, 4 comments)
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28 Jan 2025
Impact of cirrus on extratropical tropopause structure
Nicolas Emig, Annette K. Miltenberger, Peter M. Hoor, and Andreas Petzold
EGUsphere, https://doi.org/10.5194/egusphere-2024-3919,https://doi.org/10.5194/egusphere-2024-3919, 2025
Revised manuscript accepted for ACP (discussion: final response, 5 comments)
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20 Jan 2025
Development and use of a lightweight sampling system for height-selective drone-based measurements of organic aerosol particles
Christine Borchers, Lasse Moormann, Bastien Geil, Niklas Karbach, and Thorsten Hoffmann
EGUsphere, https://doi.org/10.5194/egusphere-2024-4015,https://doi.org/10.5194/egusphere-2024-4015, 2025
Preprint under review for AMT (discussion: final response, 6 comments)
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19 Sep 2024
Analyzing the chemical composition, morphology and size of ice-nucleating particles by coupling a scanning electron microscope to an offline diffusion chamber
Lisa Schneider, Jann Schrod, Daniel Weber, Heinz Bingemer, Konrad Kandler, Joachim Curtius, and Martin Ebert
EGUsphere, https://doi.org/10.5194/egusphere-2024-2797,https://doi.org/10.5194/egusphere-2024-2797, 2024
Revised manuscript under review for AMT (discussion: final response, 6 comments)
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